Cheapest Day to Buy Flights from Miami to Buenos Aires
Miami to Buenos Aires is 7,119 km (4,424 mi) great-circle — commonly 8–12 h nonstop or with 1 stop. Fares typically bottom out 3–12 weeks before departure; the calendar below shows the cheapest price for every day of the next 12 months.
Check live prices on Aviasales ↗Low Fare Calendar — Miami to Buenos Aires
When to book vs. when to fly — Miami → Buenos Aires
Live data from recent Aviasales searches for MIA → EZE, plus a booking rule of thumb.
Lowest indicative per-adult round-trip fares seen in Aviasales searches — confirmed live on the booking site before payment.
See the cheapest month’s fares ↗Search any date — Miami → Buenos Aires
Flight options — Miami → Buenos Aires
Recently-seen round-trip fares — click any flight for details, alternatives and booking.
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FAQ — MIA → EZE
How much is a flight from Miami to Buenos Aires?
Prices vary by season and departure day. The Low Fare Calendar on this page shows the cheapest fare for every day of the coming year between Miami (MIA) and Buenos Aires (EZE).
Which airlines fly from Miami to Buenos Aires?
The Miami → Buenos Aires route covers about 7,119 km and commonly 8–12 h nonstop or with 1 stop. Multiple carriers operate it — search FlyTiming to compare every airline and agency serving MIA → EZE in one search.
What is the cheapest day to fly from Miami to Buenos Aires?
It varies by month. The price card on this page highlights the cheapest month and the historically cheapest day of the week to fly this route — the Low Fare Calendar below marks low-fare days in green.
When is the best time to book flights from Miami to Buenos Aires?
As a rule of thumb, fares on international routes are usually lowest roughly 3–12 weeks before departure — and seasons flip between the two ends — July is midsummer in one and midwinter in the other, so shoulder months (April–May, September–October) often price best. The calendar below is the fastest way to spot the cheapest months for Miami → Buenos Aires.